Package io.trino.sql.planner.iterative.rule

Class MergeIntersect

java.lang.Object

io.trino.sql.planner.iterative.rule.MergeIntersect

All Implemented Interfaces:

Rule<IntersectNode>

public class MergeIntersect
extends Object
implements Rule<IntersectNode>

Transforms:

 - Intersect
   - Intersect
     - Relation1
     - Relation2
   - Intersect
     - Relation3
     - Relation4
 

Into

 - Intersect
   - Relation1
   - Relation2
   - Relation3
   - Relation4
 

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
MergeIntersect()

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(IntersectNode node, Captures captures, Rule.Context context)
Pattern<IntersectNode>	getPattern()	Returns a pattern to which plan nodes this rule applies.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.trino.sql.planner.iterative.Rule

isEnabled

Constructor Detail

MergeIntersect

public MergeIntersect()

Method Detail

getPattern

public Pattern<IntersectNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<IntersectNode>

apply

public Rule.Result apply(IntersectNode node,
                         Captures captures,
                         Rule.Context context)

Specified by:

apply in interface Rule<IntersectNode>